Valve-grinding mechanism.



L. DUQUESNOY. VALVE @BINDING MECHANISM. APPLICATION FILED mm1, 191e.

1,212,03. Patented Jan. 9, 1917.

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L. DUQUESNOY. VALVE GRINDING MECH/mism.

*APPLICATION FILED APR. l1, 1916.

Patented Jan. 9, 19Hn 3 SHEETS-SHEET u lm/iii; y

entran srirrns rarnnr .enteren Louis nUeUEsnoY', or HrAWATHA, UTAH.

VALVE-GRINDNG MECHANISM.

y Application filed-april 17, 191e.

To all wiz/om t may concern:

Be it known that I, LOUIS DUQUESNOY, a

citizen of the United States, residing at which are 'so associated that during thegrinding operation the valve heads will be properly associated with their seats irrespecftive of the manner in which power is applied to the mechanism. l

Another object of the invention is the novel manner of supporting the movable elements so that the same can be swungto `a position toallow access to thejvalve heads s'o as to readily determine whether the valves have been ground the proper amount.l

Besides the above my machine is distinguished in the manner-'of associating the driving mechanism with the valve heads so that different size valve heads can be accommodated and a tight fit had between the walls of the openings, the valve heads and the driving mechanism.

rlfhe invention will be better understood from the following detailed description taken in connection with the accompanying drawings wherein a preferred embodiment is illustrated and the features of novelty including all of the above mentioned andv various others will be hereinafter pointed out in the appended claims.

In the drawings I have illustrated the apparatus as applied to a Ford engine but 1 wish it to be understood that the same can be readily designed to accommodate any known type of engine.

Figure 1 is a top plan view of an engine showing they apparatus applied thereto. Fig. 2 is a side elevation. Fig. 3 is an end elevation. Figs. 4 and 5 are cross sectional views on lines 4`4 and 5-5 of Fig. 1. Fig. 6 is a longitudinal view on line 6-6 of F ig. 1. Fig. 7 is an enlarged sectional view of the valve head engaging device. Fig. 8

Specification of Letters Patent.

Serial No. 91,688.

is a detail sectional view on line 8-1-8 ofI Fig. 7.

- Referring to the drawings the numeral 1 designates a. base provided with extensions so arranged as to engage the available space between the engine cylinders. rllhe base is, effectively held against movement by means is further provided with a pluralityy of standards 3 formed with alining openings L1 in which is rigidly mounted a cylindrical rod 5. At this point I wish tocall attention" to the fact that the base is s o designed as to 'be secured to the engine in suelta manner as to times.

Swingingly Vsupported upon lthe rod a frame 64 composed of a lower plate 7 extending the length of the'. engine and auxiliaryI Patented Jan 9,

of machine screws 2 that pass throughthe.A 'l base into the body of the engine. The base i expose the valve heads at all n upper plates 8 clampedA to Athe lowerI plate -r by means of the machine screws 9. IThus it f will lbe seen that theu frame as ay whole is free to move vertically in an arc of a circle 'f so as to either take up, a position directly overV the `valve heads or a position to allow ready access to the valve heads. Passingv through theprod 5 on opposite sides vof 'one' of the auxiliary plates 8 are pinslO, the

purpose of which being to prevent longi-L tudinal movement of the frame .upon the'i'j'-V rod' 5`s0 that the framewill be properly aslsociated. with the valve heads at all times.r

Rotatably mounted in the frame between the plates7 and 8 is a drive shaft 11l having mounted thereon in this particular instancel four duplex gears 12, one toeach pair "of" valves. Meshing with each duplex gear 12 is a pair of gears 13 and 14 the shafts 15 of which being rotatably mounted in the plate 7 in alinement with the centers of two of the valve heads.

Those gears which are rotatably located -in theplate 7 in alinement with` the center of the valve heads support upon their shaftsl a socket 16 the purpose of which is to receive the valve head engaging devicenow to be described." The valve head engaging device comprises a pair of members 17 and 18 jointed together at an intermediate point by means of the pin 19. The members are so constructed that parallel end portions 20 are provided for engaging the usual poles 21 in the valve head and to have its remaining end portions 21 extending substantially lparallel to each other and adapted to be inbeveled gear 23 in mesh with another beveled gear 24 upon a stub shaft 25 that 'has asquared extremity 26 adapted to be' engaged by the crank handle 27.

- To complete the invention I mount upon one of thystandards 3 aspring 27 having a hook shapedextremity 28 adapted to engage a recess 29 in the plate 8, the purpose of this spring being to prevent vibratory movement of the frame during the grinding operation.

It Yis tobe understood that while all of the several features of my improved ,machine have ,special cooperation `with one another and together constitute a particularly effective mechanism for the purpose in view, certain of these features may be applied in other relation such as having a 'direct connection between those gears carried by the frame and the valve heads thus dispensing with the members 17 and 18, and I therefore desire to cover the combination present in the several parts of my improved machine whether em loyed 'in the general organiz@4 tion shown r elsewhere.

What I claim is 1. An engine valvegrinder lcomprising a base secured to the engine, :s frame having a swinging connection with said base, a.

l* Il l dint ley be obtained for ive o'entl nach, by addressing the "Commissioner of latenty gears mounted on said shaft, a second set of gears engaging said iirst gears and rotatably mounted in said frame, and means detachably supported by said second set of gears for engaging the valve head.

3. Anenglne valve grinder comprising a base secured to the engine, a frame having ,a swinging connection with said base, a

shaft rotatably mounted in said' frame, a

set of gears mounted on said shaft, a second set of gears engaging the said first gears and rotatably mounted in said frame, and means having anadjustable detachable connection with said second set of gears and arranged to engage the valve head.

4. An engine valve grinder comprising a base, a frame having a swinging connection with said base, a shaft` mounted for rotation in said frame, a gear on said shaft,a second gear rotatably mounted in said frame and Ahaving engagement with said first gear,

pivoted valve engaging members carried by said second gear and a single element work.

ing between the members for giving adjustment thereto.

In testimony whereof I afx my signature in presence of two witnesses.

. y l LOUISDUQUESNOY. Witnesses:

JAMES CLYDE VAUGHT, C. J. POWERS. 

